handshake: initialize buffer prior to use

Signed-off-by: Nikos Mavrogiannopoulos <nmav@redhat.com>

diff --git a/lib/handshake.c b/lib/handshake.c
index cdc9558c8e85293ee3e512e6cb2085bf685e67c3..d12e80e676ca2a2be261559caa05ff8d5f82a864 100644 (file)
--- a/lib/handshake.c
+++ b/lib/handshake.c
@@ -1976,6 +1976,8 @@ int _gnutls_send_server_hello(gnutls_session_t session, int again)
        const version_entry_st *vers;
        gnutls_ext_flags_t ext_parse_flag;
 
+       _gnutls_buffer_init(&buf);
+
        if (again == 0) {
                vers = get_version(session);
                if (unlikely(vers == NULL || session->security_parameters.cs == NULL))